Greetings, and thanks for pointing this out!
We have an exciting announcement coming out soon related to this, but in this particular case it is actually a bug that we are working on fixing now, as it shouldn’t show up in most actions. You can safely ignore this for now, and shouldn’t expect any behavioral change in run mode.
Edit:
Here is the relevant announcement. Essentially we’re being a bit more explicit with limitations on searches and ability to work on large amounts of data. We have re-worded this message to be more clear:
This has always been a limit with sorted searches, it was just hidden before